西气东输四线天然气管道工程新疆段全线主体线路焊接完工，进入冲刺阶段，预计今年10月建成具备投产条件。工程建成投运后，年设计输送天然气150亿立方米、增输改造后可达300亿立方米，将有效提升我国天然气管网系统管输能力，提高能源输送的抗风险能力。

The main line of the Xinjiang section of the fourth line of the West-East natural gas pipeline project has been welded and entered the sprint stage, and is expected to be completed in October this year with the conditions for operation. After the project is completed and put into operation, it will be designed to transport 15 billion cubic meters of natural gas annually, and up to 30 billion cubic meters after the increase and transformation, which will effectively improve the pipeline transmission capacity of China's natural gas pipeline network system and improve the anti-risk ability of energy transmission.